node-fnv

Fowler–Noll–Vo (FNV-1a 32-bit) hash implementation for node.js

Install

npm install fnv

Usage

var FNV = require("fnv").FNV
var h = new FNV()
h.update(Buffer("foobar"))
h.digest("hex") // 'bf9cf968'

API

Class FNV

new FNV()

Create a new FNV hash object.

fnv.update(data)

• data Buffer or String (UTF-8 encoded)

Updates the hash content with the given data. This can be called many times with new data.

fnv.digest([encoding])

• encoding String - can be 'hex', 'binary' or 'base64'

Returns the digest of all of the passed data to be hashed. If no encoding is provided 'binary' is used.

fnv.value()

Returns the hash value as Number

References

• http://isthe.com/chongo/tech/comp/fnv/
• http://tools.ietf.org/html/draft-eastlake-fnv-06